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LTC3890MPUH-2#PBF
Product Overview
Category
The LTC3890MPUH-2#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This product is primarily used in various power management systems, including but not limited to battery-powered devices, industrial equipment, telecommunications, and automotive applications.
Characteristics
- High efficiency: The LTC3890MPUH-2#PBF offers high efficiency power conversion, minimizing energy losses.
- Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
- Adjustable output voltage: The output voltage can be easily adjusted to meet specific requirements.
- Current sensing and protection: The IC incorporates current sensing and protection features, ensuring safe operation.
Package
The LTC3890MPUH-2#PBF comes in a compact and robust package, allowing for easy integration into various electronic systems. The package type is MPUH, which stands for Multi-Pin Power Package with an exposed pad.
Essence
The essence of the LTC3890MPUH-2#PBF lies in its ability to efficiently manage power conversion, providing stable and reliable power supply to connected devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, depending on the manufacturer's specifications. The exact quantity per package may vary, but it is commonly available in quantities suitable for both prototyping and mass production.
Specifications
- Input Voltage Range: 4V to 60V
- Output Voltage Range: 0.8V to 24V
- Maximum Continuous Output Current: 20A
- Switching Frequency Range: 100kHz to 1MHz
- Operating Temperature Range: -40°C to 125°C
- Control Interface: SPI/I2C
Detailed Pin Configuration
The LTC3890MPUH-2#PBF features a multi-pin configuration, enabling seamless integration into power management systems. The pinout diagram is as follows:
Pin 1: VIN
Pin 2: GND
Pin 3: VOUT
Pin 4: FB
Pin 5: SS
Pin 6: EN
Pin 7: PGND
Pin 8: SYNC
Pin 9: CLK
Pin 10: SDA
Pin 11: SCL
Pin 12: INTVCC
Pin 13: VCC
Pin 14: NC
Pin 15: NC
Pin 16: EPAD
Functional Features
- High Efficiency Conversion: The LTC3890MPUH-2#PBF utilizes advanced control algorithms to achieve high conversion efficiency, minimizing power losses.
- Wide Input Voltage Range: It can handle a wide range of input voltages, allowing for versatile applications.
- Programmable Output Voltage: The output voltage can be easily adjusted through the control interface, providing flexibility in system design.
- Current Sensing and Protection: The IC incorporates current sensing mechanisms and protection features to ensure safe operation and prevent damage to connected devices.
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Wide input voltage range
- Adjustable output voltage
- Current sensing and protection features
- Compact and robust package
Disadvantages
- Requires additional external components for complete power management system implementation
- May require technical expertise for optimal configuration and usage
Working Principles
The LTC3890MPUH-2#PBF operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The control interface allows for precise adjustment of the duty cycle, which determines the output voltage level. The IC also incorporates feedback mechanisms to maintain stable output voltage despite variations in input voltage and load conditions.
Detailed Application Field Plans
The LTC3890MPUH-2#PBF finds applications in various fields, including: 1. Battery-powered devices: Enables efficient power management in portable electronics, such as smartphones, tablets, and wearable devices. 2. Industrial equipment: Provides reliable power conversion for industrial automation systems, motor control, and instrumentation. 3. Telecommunications: Used in telecom infrastructure equipment, base stations, and network switches to ensure stable power supply. 4. Automotive applications: Suitable for powering automotive electronics, including infotainment systems, advanced driver-assistance systems (ADAS), and lighting systems.
Detailed and Complete Alternative Models
- LTC3890MPUH-1#PBF: Similar to LTC3890MPUH-2#PBF but with a different pin configuration.
- LTC3890MPUH-3#PBF: Offers additional features such as built-in fault protection and diagnostic capabilities.
- LTC3890MPUH-4#PBF: Optimized for high-frequency switching applications
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3890MPUH-2#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC3890MPUH-2#PBF in technical solutions:
Q: What is the LTC3890MPUH-2#PBF? A: The LTC3890MPUH-2#PBF is a high-performance synchronous step-down DC/DC controller.
Q: What is the input voltage range of LTC3890MPUH-2#PBF? A: The input voltage range of LTC3890MPUH-2#PBF is from 4.5V to 60V.
Q: What is the output voltage range of LTC3890MPUH-2#PBF? A: The output voltage range of LTC3890MPUH-2#PBF is from 0.8V to 24V.
Q: What is the maximum output current of LTC3890MPUH-2#PBF? A: The maximum output current of LTC3890MPUH-2#PBF is typically 20A.
Q: Does LTC3890MPUH-2#PBF support adjustable switching frequency? A: Yes, LTC3890MPUH-2#PBF supports adjustable switching frequency ranging from 100kHz to 1MHz.
Q: Can LTC3890MPUH-2#PBF operate in a wide temperature range? A: Yes, LTC3890MPUH-2#PBF can operate in a temperature range of -40°C to 125°C.
Q: Does LTC3890MPUH-2#PBF have built-in protection features? A: Yes, LTC3890MPUH-2#PBF has built-in protection features like overvoltage protection, overcurrent protection, and thermal shutdown.
Q: What type of package does LTC3890MPUH-2#PBF come in? A: LTC3890MPUH-2#PBF comes in a 28-lead thermally enhanced QFN package.
Q: Can LTC3890MPUH-2#PBF be used in automotive applications? A: Yes, LTC3890MPUH-2#PBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.
Q: Are there any evaluation boards available for LTC3890MPUH-2#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides an evaluation board, DC2594A, for LTC3890MPUH-2#PBF to facilitate testing and development.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.